Legacy Modernization Services in the UK

Legacy Modernization Services in the UK

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Legacy systems slow profits down, hide critical risks, and make every innovation harder than it should be. Devox Software provides end-to-end modernization of legacy systems for UK businesses, enabling you to innovate safely, reduce technical debt, and continue moving forward without interrupting day-to-day operations.

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Our Services

Legacy Modernization Services in the UK

  • Enterprise App Modernization Consulting

    Legacy systems cost a lot of money, slow down new ideas, and put your business at risk. Based on a full review of your apps, an assessment of your technical debt, and a plan to modernize your business, we will give you a clear roadmap to follow. Whether we’re rehosting or starting from scratch, risks get lower while your business becomes more resilient and future-proof.

  • Legacy Application Migration

    Moving code is only part of the migration; the entire idea is to eliminate legacy constraints. We look over your design, find hidden hazards, and turn big, monolithic systems into clean, modular platforms that seamlessly work with APIs. Throughout our legacy modernisation services, we update every part of your system, from the code and architecture to the infrastructure, without losing the important parts.

  • Cloud Modernization

    We don’t just lift and shift your apps to the cloud; we fully rework them if necessary. We turn old systems into microservices, put them in containers, and connect them to cloud-native tools like Lambda, Azure Functions, and App Engine, taking care of the app at every level from architecture to database and connections.

    As a result, you get improved performance, fewer bottlenecks, and automated processes. Your cloud runs quicker, safer, and smarter with built-in observability and compliance thanks to our legacy software modernization services.

  • Data Modernization

    We update every part of your data stack, from the infrastructure to compliance, turning old databases into flexible, cloud-native systems. Old systems like Oracle and DB2 move to PostgreSQL, MongoDB, and other platforms with integrity, no downtime, and no guesswork. Additionally, automated ETL/ELT flows provide pipelines a full upgrade, while cloud-native architectures store and process data at scale.

  • AI/ML Implementation

    We employ AI to swiftly update, restructure, and document old code. For this purpose, we apply tools like GitHub Copilot and custom LLMs. They clean up old code, make it easier to maintain, find hidden logic, and automatically provide documentation. ML models turn old data into useful business information, and AI-powered tools find mistakes and make test cases on the fly. All in the process of our tailored legacy system modernization services.

  • UX/UI Modernization

    We offer a legacy Android redesign development solution that turns user interfaces into quick, easy-to-use, and modern-looking experiences via React, Vue, or Angular. We give today’s users a seamless, compliant UX, from beautiful SPAs and PWAs that work on mobile devices to easy-to-use upgrades and performance improvements. A terrific experience is what outstanding software deserves.

  • Code Refactoring

    With our legacy application modernization services, we turn messy, old code into clean, scalable systems that are easy to maintain. Lower technical debt, legacy code refactoring, and boosted performance make your apps faster, more stable, and easier to develop and maintain. From legacy stacks through test automation and CI/CD, we ensure smooth and quick releases.

  • API Extension

    Unconnected legacy systems drag everything down. To link your legacy app to new platforms, we offer safe, scalable REST APIs. As a result, we turn rigid systems into flexible environments by adding APIs, integrating SaaS, and using event-driven architecture. Business data moves quickly, safely, and exactly where it needs to go with built-in security and infrastructure that can grow with business needs.

Our Process

Legacy Software Modernization Workflow

Get help from seasoned experts in legacy software modernization with comprehensive support on the go.

01.

01. Research & Analysis

Our team will look at your current setup, figure out your business goals, and make a list of any problems we encounter along the way as we deliver our legacy modernization services from A to Z. The results include a route plan with targets, costs, and an estimate of the return on investment.

02.

02. Plan & Develop

Our qualified engineers isolate the critical system, uncover the hidden dependencies, and expose technical debt. As a result, we can redesign the legacy system to make it competitive and future-proof.

03.

03. Testing & QA

Legacy modernisation services set a high standard for coding. That's why we use AI to improve our testing methods by doing automated stress, load, and compliance tests. This way, we ensure that the resulting system works as it should under specified workloads.

04.

04. Deployment & Maintenance

There is no unexpected downtime with seamless rollouts using CI/CD pipelines and DevOps best practices. Containerization makes it easier to use the cloud natively and scale up easily. Moreover, we offer tracking, updates, and improvements 24 hours a day, 7 days a week.

  • 01. Research & Analysis

  • 02. Plan & Develop

  • 03. Testing & QA

  • 04. Deployment & Maintenance

Our Values

How Do We Make Our Legacy System Modernization Services in the UK Safe?

01

NDA-Secured

Confidentiality is enforced from the start of each collaboration. To secure your intellectual property fully, we undertake to keep everything private from the start of any cooperation. If you need details, you’re free to ask.

02

Internal Quality Centers

Our internal departments, such as Quality Assurance, Project Management Office, and Business Analysis Office, form a special line of quality assurance and all help to ensure that the development goes in accordance with the ISO 9001:2015 guidebooks.

03

Value-Centered Approach

DevOps, serverless, and infrastructure-as-code enable business-oriented legacy application modernization services. We fully align tech solutions with your business goals and strategy to reduce expenses and offer only cost-effective approaches.

04

Designing for Security

The Security-by-Design principle means that every project has encryption, auditing, and compliance integrated from the start. As a result, you get a safe solution that boosts your business results even if you operate in highly regulated industries.

Our Benefits

Benefits of Our Legacy Modernization Services in the UK

  • Faster Time to Market

    Our AI Answer Accelerator™ helps you get things done faster without sacrificing quality. We employ proven procedures and specialists who have been checked out ahead of time. That is to say, you get results 30% faster on average.

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  • Scalability and Performance

    Customers want our solutions to be easy to introduce for their businesses. That’s why we offer the techniques that are 100% proven to help businesses grow by building infrastructure that can alter and adapt as the future does.

  • Industry-Aware Expertise

    We know how to prepare an unmatched legacy modernization and what problems each industry has. We make solutions that meet the needs of the business world so that our customers can stay ahead of their competitors.

  • Cost-Effective Approach

    We don't just do technical work; we also aim to improve ROI. We can save money, cut down on waste, and show a return on investment by making sure that the legacy software modernization services are in accordance with your strategic goals.

Why Clients Choose Us

Why Choose Devox Software?

01

A History of Success

More than 70 successful projects and collaborations that lasted a long period.

02

Openness

Transparency means that there are no surprises in contracts, KPIs, and budgets.

03

Full help

We handle everything, from planning to making things better all the time.

Our Vision

We’ve worked extensively in terms of geography and sector, developing a variety of work — products, services, and experiences — that has taught us that a well-defined visual strategy is key to bring visibility, credibility, and funds to any organisation. Starting in 2017, we decided to plant a tree for each client that we work with.

70

+

Successfully completed projects

71

%

Devox Software annual growth

100

+

Tech specialists on board

82

%

Clients with us for more than 2 years

Case Studies

Our Latest Works

View All Case Studies
Enabling Real-Time Teleoperation of a Multi-Purpose Robotic Platform Enabling Real-Time Teleoperation of a Multi-Purpose Robotic Platform

Enabling Real-Time Teleoperation of a Multi-Purpose Robotic Platform

A remote control system for a multi-purpose robotic platform needs a solid backend. Real-time commands, video streaming, and video powered by neural networks are among the baseline features, forming the backbone for efficient teleoperation.

Additional Info

Core Tech:
  • .NET Framework
  • Razor
  • PostgreSQL
  • Xamarin
  • YOLO
Country:

United Kingdom United Kingdom

Enhanced Cybersecurity Shield for an Online Payments Company Enhanced Cybersecurity Shield for an Online Payments Company

FinTech Platform for Invoicing and Secure Transactions

A fintech platform that safeguards online payments using encryption, MFA, and AI-driven fraud detection.

Additional Info

Core Tech:
  • .NET microservices
  • Angular 8
  • PostgreSQL
  • Multi-Factor Authentication (MFA)
  • End-to-End Encryption
  • AI-based Fraud Detection
Modular LMS for Multi-Domain Learning: SwissMentor’s Enterprise-Grade Online Platform Modular LMS for Multi-Domain Learning: SwissMentor’s Enterprise-Grade Online Platform
  • Backend
  • Frontend
  • Cloud
  • E-Learning

Modular LMS for Multi-Domain Learning: SwissMentor’s Enterprise-Grade Online Platform

A full-featured learning management system built to digitize education workflows, manage courses, and support online learning at scale.

Additional Info

Core Tech:
  • .NET Core
  • PostgreSQL
  • Angular
  • Docker
  • Kubernetes
  • Azure
  • SCORM
Country:

Switzerland Switzerland

Awards & Certifications

Industry Contribution Awards & Certifications

Check Devox Software’s awards on rating and review platforms, recognized among the top software development companies, along with the certifications our team members hold.

  • Awards
  • Certifications
  • UpWork

    UpWork

  • Clutch

    Clutch

  • The Manifest

    The Manifest

  • DesignRush

    DesignRush

  • MC.today

    MC.today

  • Clutch

    Clutch

  • Clutch

    Clutch

  • AppFutura

    AppFutura

  • Clutch

    Clutch

  • GoodFirms

    GoodFirms

  • DesignRush

    DesignRush

  • UpWork

    UpWork

  • Professional Scrum Master™ II (PSM II)

    Professional Scrum Master™ II (PSM II)

  • Professional Scrum Product Owner™ I (PSPO I)

    Professional Scrum Product Owner™ I (PSPO I)

  • ITIL v.3 Foundation Certificate in IT Service Management

    ITIL v.3 Foundation Certificate in IT Service Management

  • ITSMS Auditor/Lead Auditor of ISO Standard 20000

    ITSMS Auditor/Lead Auditor of ISO Standard 20000

  • Microsoft Certified: DevOps Engineer Expert

    Microsoft Certified: DevOps Engineer Expert

  • Microsoft Certified: Azure Administrator Associate

    Microsoft Certified: Azure Administrator Associate

  • Quality Assurance ISTQB Foundation Level

    Quality Assurance ISTQB Foundation Level

  • Microsoft Certified Solution Develop (MCSD)

    Microsoft Certified Solution Develop (MCSD)

  • Java Development Certified Professional

    Java Development Certified Professional

  • JavaScript Developer Certificate – W3Schools

    JavaScript Developer Certificate – W3Schools

  • Certified Artificial Intelligence Scientist (CAIS)

    Certified Artificial Intelligence Scientist (CAIS)

  • Oracle Database SQL Certified Associate

    Oracle Database SQL Certified Associate

Insights

Some Insights into Legacy Modernization Services

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Testimonials

Testimonials

Carl-Fredrik Linné                                            Sweden

The solutions they’re providing is helping our business run more smoothly. We’ve been able to make quick developments with them, meeting our product vision within the timeline we set up. Listen to them because they can give strong advice about how to build good products.

Darrin Lipscomb Darrin Lipscomb
Darrin Lipscomb United States

We are a software startup and using Devox allowed us to get an MVP to market faster and less cost than trying to build and fund an R&D team initially. Communication was excellent with Devox. This is a top notch firm.

Daniel Bertuccio Daniel Bertuccio
Daniel Bertuccio Australia

Their level of understanding, detail, and work ethic was great. We had 2 designers, 2 developers, PM and QA specialist. I am extremely satisfied with the end deliverables. Devox Software was always on time during the process.

Trent Allan Trent Allan
Trent Allan Australia

We get great satisfaction working with them. They help us produce a product we’re happy with as co-founders. The feedback we got from customers was really great, too. Customers get what we do and we feel like we’re really reaching our target market.

Andy Morrey                                            United Kingdom

I’m blown up with the level of professionalism that’s been shown, as well as the welcoming nature and the social aspects. Devox Software is really on the ball technically.

Vadim Ivanenko Vadim Ivanenko
Vadim Ivanenko Switzerland

Great job! We met the deadlines and brought happiness to our customers. Communication was perfect. Quick response. No problems with anything during the project. Their experienced team and perfect communication offer the best mix of quality and rates.

Jason Leffakis Jason Leffakis
Jason Leffakis United States

The project continues to be a success. As an early-stage company, we're continuously iterating to find product success. Devox has been quick and effective at iterating alongside us. I'm happy with the team, their responsiveness, and their output.

John Boman John Boman
John Boman Sweden

We hired the Devox team for a complicated (unusual interaction) UX/UI assignment. The team managed the project well both for initial time estimates and also weekly follow-ups throughout delivery. Overall, efficient work with a nice professional team.

Tamas Pataky Tamas Pataky
Tamas Pataky Canada

Their intuition about the product and their willingness to try new approaches and show them to our team as alternatives to our set course were impressive. The Devox team makes it incredibly easy to work with, and their ability to manage our team and set expectations was outstanding.

Stan Sadokov Stan Sadokov
Stan Sadokov Estonia

Devox is a team of exepctional talent and responsible executives. All of the talent we outstaffed from the company were experts in their fields and delivered quality work. They also take full ownership to what they deliver to you. If you work with Devox you will get actual results and you can rest assured that the result will procude value.

Mark Lamb Mark Lamb
Mark Lamb United Kingdom

The work that the team has done on our project has been nothing short of incredible – it has surpassed all expectations I had and really is something I could only have dreamt of finding. Team is hard working, dedicated, personable and passionate. I have worked with people literally all over the world both in business and as freelancer, and people from Devox Software are 1 in a million.

FAQ

Questions and Answers

  • How can I tell when it's the right moment for legacy modernization services?

    If your team has trouble shipping features, spends most of its time repairing issues, or is afraid to touch particular modules, consider legacy modernization services. Other signs include increased maintenance costs, security holes, pressure to comply, or vendors ending support for important technology.

  • Will modernization disrupt my current operations?

    If done right, legacy software modernization services shouldn’t “stop the business.” For this purpose, we plan to work in short, controlled steps, use feature flags and CI/CD, and run old and new parts side by side when necessary. This method enables us to update essential systems while your teams keep serving clients, which reduces downtime and deployment risk.

  • How long does it normally take to modernize an old application?

    The size of the system, the tech stack, and the technique you choose (refactor, replatform, or rebuild) all affect the timeline. It can take 2 to 3 months to modernize a single module or service, but a full-scale legacy application modernization services program can take 6 to 12 months.

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